The Science of BaseballYou didn't think there was any science to baseball? Think again! Check your reaction time to see if you could hit a baseball thrown at 95 miles per hour. Other fun stuff including activities and experiments.

Science BuddiesThis site is great if you need to find a good science project in a hurry. Click on the "Project Ideas" link, and you'll see a whole bunch of different topics to choose from. You can choose projects that match your grade level - anywhere from first grade to senior in high school.

Science Fair Project IdeasAnother one of About.com's great sites. All sorts of science fair ideas, sorted by topic and by grade level.

Top Halloween Chemistry ProjectsInstructions for making fake blood, a glow-in-the-dark pumpkin, dry ice fog - even fake ectoplasm! Scroll down to the bottom of the page and you'll find links to ideas for costumes, food, even a "mad scientist party"!